Biological Control of<i>Botrytis</i>Fruit Rot (<i>Gray Mold</i>) on Strawberry and Red Pepper Fruits by Olive Oil Mill Wastewater

Vagelas, Ioannis; Papachatzis, A.; Kalorizou, H.; Wogiatzi, Eleni

doi:10.2478/v10133-009-0017-3

Cited by 30 publications

(17 citation statements)

References 10 publications

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“…Gray mould of pepper caused by the fungus Botrytis cinerea is the most important disease of pepper worldwide in the field and under post-harvest conditions (Vagelas et al, 2009). Twenty four isolates of B. cinerea were isolated from diseased pepper fruits showed gray mould symptoms collected from four major regions for pepper cultivation in El-Behera governorate, Egypt.…”

Section: Discussionmentioning

confidence: 99%

Potential of certain cultivars and resistance inducers to control gray mould (Botrytis cinerea) of pepper (Capsicum annuum L.)

Kamara¹,

El-Argawy²,

Korany³

et al. 2016

Afr. J. Microbiol. Res.

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Four different highly economic value pepper cultivars Trezaa, Emberu, Mazurka and Taranto usually grown in Egypt were used to evaluate the efficacy of certain resistance inducers to enhance resistance of pepper fruits against gray mould fungus. Pathogenicity tests with Botrytis cinerea (BC-3 isolate) revealed that cv. Mazurka (Red Colour) was most tolerant and exhibited 40.15% rot severity, while cv. Emberu (Yellow Colour) was highly susceptible and showed 79.12% rot severity. The other two pepper cultivars, that is, cv. Trezaa and Taranto showed severity of 50.23 and 52.75%, respectively. Treatment of pepper fruits with resistance inducers salicylic acid (SA); abscisic acid, methyl jasmonate and calcium chloride significantly decreased gray mould development under laboratory conditions. Calcium chloride was the most effective on all pepper cvs. mentioned earlier and inhibited diameter of rotting area with overmean of 40.6%. This was followed by SA as 34.01%. Abscisic acid and methyl jasmonate, however, showed lower mean inhibition of 16.8 and 18.8%, respectively. Meantime, treatment of pepper fruits with such resistance inducers and calcium chloride increased activity of the defense related enzymes, that is, polyphenol oxidase (PPO), peroxidase (POD), phenylalanine ammonia lyase (PAL) as well as the total phenols where SA and calcium chloride were the most effective. This could explain potentiality of such compounds to enhance pepper resistance to control B. cinerea of the gray mould of pepper.

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Section: Discussionmentioning

confidence: 99%

Potential of certain cultivars and resistance inducers to control gray mould (Botrytis cinerea) of pepper (Capsicum annuum L.)

Kamara¹,

El-Argawy²,

Korany³

et al. 2016

Afr. J. Microbiol. Res.

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“…As alternative to applying living microbes, use of extracts or volatiles derived from biocontrol microbes has been suggested (Huang et al , ). Use of non‐synthetic antifungal substances, like phenol‐rich olive oil mill wastewater, has also been reported to control B. cinerea growth in vitro and on strawberries (Vagelas et al , ). However, these approaches are not implemented on a commercial scale due to high costs compared to the conventional B. cinerea control…”

Section: Current and New Management Approaches For Botrytis Cinerea Imentioning

confidence: 99%

Grey mould of strawberry, a devastating disease caused by the ubiquitous necrotrophic fungal pathogen Botrytis cinerea

Petrasch

Knapp

Kan

et al. 2019

Molecular Plant Pathology

308

172

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Summary The fungal pathogen Botrytis cinerea causes grey mould, a commercially damaging disease of strawberry. This pathogen affects fruit in the field, storage, transport and market. The presence of grey mould is the most common reason for fruit rejection by growers, shippers and consumers, leading to significant economic losses. Here, we review the biology and epidemiology of the pathogen, mechanisms of infection and the genetics of host plant resistance. The development of grey mould is affected by environmental and genetic factors; however, little is known about how B. cinerea and strawberry interact at the molecular level. Despite intensive efforts, breeding strawberry for resistance to grey mould has not been successful, and the mechanisms underlying tolerance to B. cinerea are poorly understood and under‐investigated. Current control strategies against grey mould include pre‐ and postharvest fungicides, yet they are generally ineffective and expensive. In this review, we examine available research on horticultural management, chemical and biological control of the pathogen in the field and postharvest storage, and discuss their relevance for integrative disease management. Additionally, we identify and propose approaches for increasing resistance to B. cinerea in strawberry by tapping into natural genetic variation and manipulating host factors via genetic engineering and genome editing.

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“…OMW can suppress the soil-borne pathogens Rhizoctonia solani and Fusarium solani at low dose applications [130] as the result of the antimicrobial action of OMW phenolics. In addition, control of Botrytis fruit rot on strawberries and peppers by raw OMW has been also reported [131]. Moreover, OMW application on fruits and vegetables can inhibit the sporulation of Penicillium and Botrytis spp.…”

Section: Features Of Biotechnological Importance In Olive Mill Wasmentioning

confidence: 99%

The Microbiology of Olive Mill Wastes

Ntougias

Bourtzis

Tsiamis

2013

BioMed Research International

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Olive mill wastes (OMWs) are high-strength organic effluents, which upon disposal can degrade soil and water quality, negatively affecting aquatic and terrestrial ecosystems. The main purpose of this review paper is to provide an up-to-date knowledge concerning the microbial communities identified over the past 20 years in olive mill wastes using both culture-dependent and independent approaches. A database survey of 16S rRNA gene sequences (585 records in total) obtained from olive mill waste environments revealed the dominance of members of Alphaproteobacteria, Betaproteobacteria, Gammaproteobacteria, Firmicutes, and Actinobacteria. Independent studies confirmed that OMW microbial communities' structure is cultivar dependant. On the other hand, the detection of fecal bacteria and other potential human pathogens in OMWs is of major concern and deserves further examination. Despite the fact that the degradation and detoxification of the olive mill wastes have been mostly investigated through the application of known bacterial and fungal species originated from other environmental sources, the biotechnological potential of indigenous microbiota should be further exploited in respect to olive mill waste bioremediation and inactivation of plant and human pathogens. The implementation of omic and metagenomic approaches will further elucidate disposal issues of olive mill wastes.

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Biological Control ofBotrytisFruit Rot (Gray Mold) on Strawberry and Red Pepper Fruits by Olive Oil Mill Wastewater

Cited by 30 publications

References 10 publications

Potential of certain cultivars and resistance inducers to control gray mould (Botrytis cinerea) of pepper (Capsicum annuum L.)

Potential of certain cultivars and resistance inducers to control gray mould (Botrytis cinerea) of pepper (Capsicum annuum L.)

Grey mould of strawberry, a devastating disease caused by the ubiquitous necrotrophic fungal pathogen Botrytis cinerea

The Microbiology of Olive Mill Wastes

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